Home / 195,614.83-293,531.23-105,655.72

Finding the Fourth Proportional to 195,614.83, 293,531.23 and 105,655.72

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Solution

The fourth proportional to 195,614.83, 293,531.23 and 105,655.72 is: 158,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,614.83 : 293,531.23 = 105,655.72 : x
  2. Step 2: Convert to fraction form
    195,614.83/293,531.23 = 105,655.72/x
  3. Step 3: Cross multiply
    195,614.83x = 293,531.23 × 105,655.72
  4. Step 4: Simplify right side
    195,614.83x = 31,013,253,448.14
  5. Step 5: Solve for x
    x = 31,013,253,448.14/195,614.83
  6. Step 6: Final answer
    x = 158,542.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.